Home / 127,207.08-190,810.62-42,967.47

Finding the Fourth Proportional to 127,207.08, 190,810.62 and 42,967.47

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Solution

The fourth proportional to 127,207.08, 190,810.62 and 42,967.47 is: 64,451.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,207.08 : 190,810.62 = 42,967.47 : x
  2. Step 2: Convert to fraction form
    127,207.08/190,810.62 = 42,967.47/x
  3. Step 3: Cross multiply
    127,207.08x = 190,810.62 × 42,967.47
  4. Step 4: Simplify right side
    127,207.08x = 8,198,649,590.53
  5. Step 5: Solve for x
    x = 8,198,649,590.53/127,207.08
  6. Step 6: Final answer
    x = 64,451.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.